/Engine/Source/Runtime/SlateCore/Public/Rendering/DrawElements.h
Pops the current painted widget off the stack
true if an element was added while the widget was pushed
[FSlateCachedElementsHandle](API\Runtime\SlateCore\Rendering\FSlateCachedElementsHandle) PopPaintingWidget ( const [SWidget](API\Runtime\SlateCore\Widgets\SWidget) & CurrentWidget )